Useful tips for everyday
How does a hard drive motor work? Hard drives work by spinning platters full of magnetized data while a read/write head very quickly harvests or…
Are all micro USB connectors the same? USB Type-C and Micro-USB (Type-B Micro) are not the same, and will not fit each other’s ports on…
How do you test a capacitor with an oscilloscope? A digital storage oscilloscope can readily display voltage plotted against time in a capacitor charging or…
Can you operate an induction motor at unity power factor? Please note that unity power factor means zero reactive power. Induction motor can’t operate at…
Why is SCR always turned on by gate current? SCRs are triggered only by currents going into the gate. When the gate-to-cathode current exceeds a…
What is potential difference at A point? Potential difference between any two points is defined as the amount of work done in moving a unit…
What is the advantages of a 3 phase generator over a 2 phase generator? Both types provide AC power, but a three-phase system produces three…
How do you stop a DC motor from making noise? Capacitors are usually the most effective way to suppress motor noise, and as such we…
What is the safety by local earthing? The earth is an important concept with electrical wiring because the earth does not carry a current. The…
Can you split a SPDIF signal? Registered. A normal Y-splitter will work fine for coax SPDIF. They all use the same cable inside. Can SPDIF…